Garth Callaghan started slipping notes into his daughter Emma’s lunchbox when she was in kindergarten. She could barely read at the time, so he kept the napkin notes simple with easy words, sometimes using drawings or symbols.Today, Callaghan's eighth-grade daughter has come to depend on those brief missives as a daily source of inspiration — and a reminder to never take her dad for granted.Callaghan, 44, has battled kidney cancer twice over the last several years and currently lives with prostate cancer, a slow-growing disease. Recent blood work shows “no evidence” of kidney cancer these days, but Callaghan said his oncologist has bluntly told him that people with his medical history only have an eight percent change of surviving the next five years."This isn’t a story about cancer, because any parent at any time could be hit by a car or have a heart attack," he said, explaining to TODAY.com about why he continues to write "napkin notes" to his daughter. "This is really about leaving a legacy so that she can understand some of my life philosophies and how much I love her.” READ MORE (Eun Kyung Kim)http://www.today.com/news/dying-dad-writes-daughter-826-notes-so-she-wont-have-2D11999985